Biotech company Colossal, which is attempting to bring back the woolly mammoth, has reached a milestone − and a very cute one at that: the woolly mouse. The Colossal Woolly Mouse, born in ...

A Texas company working to bring back the woolly mammoth has made an adorable breakthrough: the woolly mouse. Dallas-based Colossal Biosciences announced Tuesday that it has engineered mice with ...

Scientists with the company Colossal have created genetically engineered "woolly mice" with thick, golden-brown hair and fat deposits similar to those of cold-adapted woolly mammoths.